Installing exhaust turbocharger

• Replace gasket (1)

Parts:  Gasket

• Install seal (1) so that the part number is visible.

• Thermal compensating element of the exhaust turbocharger/exhaust manifold should not be bent or deformed!
• Thread in exhaust turbocharger from top and position on the trim strip.
• Position the sliding rail (1).
• Install the sliding real (1) so that the part number is visible.

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Courtesy of BMW OF NORTH AMERICA, INC.

• Replace nuts (1) to (7).

  Parts:  Nuts

• Tighten nuts in the sequence (1) to (7) in semi-circular pattern.

Exhaust manifold to cylinder head
Flange nut M7 Replace flange nuts	1 Joining torque	10 Nm
	2 Joining torque	10 Nm
	3 Joining torque	16 Nm
	4 Joining torque	16 Nm
	5 Joining torque	16 Nm

• Unscrew the nuts (2) and remove the retainer (1).

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Courtesy of BMW OF NORTH AMERICA, INC.

• Unscrew the nuts (2) and remove the retainer (1).

• Loosen screw (2) and remove holder (1).

• Turn the clamping lever (1) against the direction of the arrow to release the special tool 2 446 919  .

• Unscrew the bolt (1) and remove the special tool 2 446 919  from the exhaust turbocharger.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

• Fill the exhaust turbocharger additive (1) into the bores of the oil feed line.

Consumable 

Exhaust turbocharger  17 ml, 83192457276

additive, gasoline MSP  Tube

• Replace screws (2)

  Parts:  Screws

• Position support and tighten with the screw (2).

Exhaust turbocharger support to crankcase
M8 x 20	Replace screws.	19 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

• Replace the screw (1).

  Parts:  Screw

• Tighten down screw (1).

Exhaust turbocharger to support
M8 x 25	Replace screw.	19 Nm

• Replace O-ring.

  Parts:  O-ring

• Position oil feed line on engine bloc
• Tighten down screw (1).

Oil feed line to crankcase
M6 x 12	8 Nm

• Connect connectors (1) and lock.

• Mount and tighten the guide pin (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE COOLANT FEED LINE (COOLANT RETURN LINE IS REMOVED) .
• Refer to INSTALLING THE FRONT SECTION OF THE COOLANT RETURN LINE .
• Refer to INSTALLING THE UNFILTERED-AIR SNORKEL .
• Refer to CONNECTING THE COOLANT HOSE TO THE RADIATOR .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLER DEVICE .
• Refer to INSTALLING CATALYTIC CONVERTER .
• Refer to INSTALLING THE EXHAUST SYSTEM .
• Refer to INSTALLING THE CONNECTING SUPPORT WITH THE TENSION STRUT .
• Refer to INSTALLING THE CONNECTING SUPPORT .
• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING HEAT SHIELD FOR CYLINDER HEAD COVER .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
• Refer to INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING CLEAN AIR PIPE .
• Refer to INSTALLING INTAKE SILENCER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to BLEEDING THE HIGH-TEMPERATURE COOLANT CIRCUIT .